ewan1
ewan1
24-03-2015
Mathematics
Answered
solve simultaneous equation
2x + 4y = 1
3x-5y=7
Answer :
Panoyin
Panoyin
24-03-2015
2x + 4y = 1 ⇒ 6x + 12y = 3
3x - 5y = 7 ⇒
6x - 10y = 14
22y
=
17
22 22
y = 17/22
2x + 4(17/22) = 1
2x + 3 1/11 = 1
-3 1/11 -3 1/11
2x
=
-2 1/11
2 2
x = -1 1/22
(x y) = (-1 1/22, 17/22)
Answer Link
VIEW ALL ANSWERS ( 71+ )
Other Questions
how does the oiliness on the skin affect the rate at which ingredients or products penetrate the skin
Calculate the pH when 9 mL of 0.150 M KOH is mixed with 20 mL of 0.300 M HBrO (Ka = 2.5 × 10⁻⁹).
In business, what does "current cost" typically refer to : A) The cost of acquiring new technologyB) The cost of goods or services at present market pricesC) Th
Given that [tex]$\sin \theta = \frac{1}{10}$[/tex] and that the terminal side is in quadrant II, complete parts a through c.a) Give an exact answer for the othe
Describe the principle of cross-cutting relationships.Provide:1. A visual representation2. A summary3. An example
A wall in Marcus’s bedroom is 8 2/5 feet Feet high And 16 2/3 feet long. If he paints 1/2 Of the wall blue, How many square feet will be blue
For the expression [tex]\frac{2x^2 - 6x}{x^2 + 18x + 81} \times \frac{9x + 81}{x^2 - 9}[/tex], which of the following are the restrictions? Select all that appl
Write the rectangular form of the polar equation in general form.[tex]\[ r = 6 \tan \theta \][/tex]Assume that all variables represent positive values.Enter onl
Read the lines:"And set the wall between us once again.We keep the wall between us as we go.To each the boulders that have fallen to each.And some are loaves an
Read the sentence.When a dog growls, it _______ bite you.Which word best completes the sentence?A. mayB. mustC. shouldD. would